Teaching UP PGT Mock Test Series 2024 Chemical Sciences Structure Determination of Organic Compounds 1h NMR and 13c NMR Spectroscopy
The correct structure that corresponds to the spectroscopic data given below is
IR (cm-1): 2720, 1710.
1H NMR: δ9.80 (s, 1H), 7.50 (dd, J = 8.0, 2.0 Hz, 1H), 7.40 (d, J = 2.0 Hz, 1H), 6.90 (d, J = 8.0 Hz, 1H), 3.90 (s, 3H), 3.80 (s, 3H).
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